CN101959038B - Method for realizing multi-image preview function of set-top box - Google Patents
Method for realizing multi-image preview function of set-top box Download PDFInfo
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- CN101959038B CN101959038B CN 201010296577 CN201010296577A CN101959038B CN 101959038 B CN101959038 B CN 101959038B CN 201010296577 CN201010296577 CN 201010296577 CN 201010296577 A CN201010296577 A CN 201010296577A CN 101959038 B CN101959038 B CN 101959038B
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Abstract
The invention provides a method for realizing a multi-image preview function of a set top box, comprising the steps of: capturing the video data in a program of the set top box to the internal memory space of a Video layer, then converting the data to a data format which can be displayed at a Still layer, and combining an OSD (On Screen Display) layer to realize the multi-image preview function of the set top box. The invention provides a navigation of previewing the programs of multiple channels to the users so that the users can conveniently and rapidly select the interested programs.
Description
[technical field]
The present invention relates to a kind of DTV STB field, especially a kind of implementation method of many pictures of STB preview function.
[background technology]
STB generally all has a plurality of graph layers (like Fig. 2), comprising: Background layer, Video layer, Still layer, OSD layer, Cursor layer etc.Static video image is positioned at the Still layer, and motion video is positioned at the Video layer, and frame and information are positioned at the OSD layer, the size of each display frame and position changeable.Video layer data presented is the motion video data after the decoding output, and decoder just is kept at decoded reconstruct data in the internal memory after decoding is accomplished to a frame source image data.The static frame of video that the Still layer shows; Under pal mode (a kind of method of color-code in the television broadcasting); The size of one frame picture is 720 * 576; If each pixel form is ARGB1555, the frame picture of then decoding must distribute the buffering area of 720 * 576 * 2 bytes to be used for preserving reconstruct data.
Along with the widespread usage of STB, program source is also more and more abundanter, aspect TV station's business, through broadcasting of EPG (electric program menu) information, can help the user to understand programme information better, and this information is written form.But,, need program navigating means efficiently be provided for the user along with broadcasting increasing of channel.Literal navigation relatively, the mosaic image navigate mode has more attraction, and it can more directly represent the content of broadcast items to the user.Mosaic is a kind of by the different video image of play end set of DVB (DVB) definition, the video flowing of synthetic MPEG-2 coding, the program navigating mechanism that shows on screen through the terminal then.That mosaic service provides is directly perceived, convenient, program navigating function fast, but the method that presents mosaic service is to realize not having front end that the mosaic service is provided under the situation about cooperating at front end and terminal, and the terminal can't appear.Traditional mosaic navigate mode needs front end that different service, bouquet and incident compression are packaged into a mosaic picture, with it as the business in the system; And be its channel distribution resource, also to generate the mosaic descriptor simultaneously, add the mosaic descriptor in the corresponding SI information (SDT, PMT); SI table with other generates the business information code stream; Receiving terminal is according to the data that receive, resolution logic cell position, finally display video navigation screen on screen.This mode needs front end to be equipped with mosaic service equipment, occupies a channel resource, when number of programs more for a long time, it is elongated that the STB end is analyzed time of data, and domestic a lot of operators front end does not provide mosaic service at present.
[summary of the invention]
The technical problem that the present invention will solve; Be to provide a kind of implementation method of many pictures of STB preview function; Do not need operator that mosaic service is provided; Also need not in the business information code stream, to insert any mosaic descriptor,, just can realize many picture navigation function as long as the terminal receives multi-channel program.
The present invention is achieved in that a kind of implementation method of many pictures of STB preview function, it is characterized in that: may further comprise the steps:
Step 20, distribute a memory headroom in STB, for respectively Video layer and Still layer, set-top-box opening and by the tuning program of following step;
The present invention has following advantage: through catching video data in the programs of set-top box to the memory headroom of Video layer, and then convert the Still layer to can the data presented form, combine the OSD layer to realize many pictures of STB preview function again.The present invention lets the user can select own programs of interest quickly and easily for the navigation that the user provides a plurality of channel programs of preview simultaneously.
[description of drawings]
Fig. 1 is the inventive method schematic flow sheet.
Fig. 2 is a STB graph layer order sketch map.
Fig. 3 is many pictures of STB preview function sketch map.
[embodiment]
Combine embodiment that the present invention is further described referring to figs. 1 through Fig. 3 below:
STB generally all has a plurality of graph layer (see figure 2)s, comprising: Background layer, Video layer, Still layer, OSD layer, Cursor layer etc.Static video image is positioned at the Still layer, and motion video is positioned at the Video layer, and frame and information are positioned at the OSD layer, and the Background layer is used for the background colour of display machines top box, and the Cursor layer is used for display highlighting.
The implementation method of many pictures of STB preview function may further comprise the steps (see figure 1):
Step 20, distribute a memory headroom, a set-top-box opening and a tuning program in STB, for respectively Video layer (see figure 2) and Still layer (see figure 2);
Wherein when the user switched to the program that will see with remote controller, STB carried out play operation with video data corresponding in the memory headroom of Video layer, and revised video frame and navascreen interface through the OSD layer.
What deserves to be mentioned is: the interface that also is provided with multipage in the navascreen of STB; When tuning program number surpasses current program navigating screen area; The program video that STB will exceed is stored in the STB memory headroom, and when the user switches to nextpage with remote controller, STB will access other program video from memory headroom; Set-top box interface will switch to other previewing programs picture, can select for the user.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (5)
1. the implementation method of many pictures of STB preview function is characterized in that: may further comprise the steps:
Step 10, program navigating screen divider in the STB is become a plurality of zones;
Step 20, distribute a memory headroom in STB, for respectively Video layer and Still layer, set-top-box opening and by the tuning program of following step;
Step 30, the video data in the program is deposited in the memory headroom of Video layer, and stop the broadcast of video data;
Step 40, the video data in the memory headroom of Video layer is copied in the internal memory of STB, and convert video data to the Still layer can the data presented form;
Step 50, the video data after will changing carry out processed compressed, and the video data after will dwindling according to the sequential storage of row in the memory headroom of Still layer;
Step 60, the video data that will be stored in the memory headroom of Still layer carry out related with a zone of described program navigating screen;
Step 70, judge whether to have in the STB and want tuning program, be then tuning next program, and return step 30, otherwise change step 80 over to;
Step 80, the relevant information of each program is shown in the program navigating screen area accordingly.
2. the implementation method of many pictures of STB preview function according to claim 1 is characterized in that: the video frame of each program of OSD layer drawing of STB, beautify the navascreen interface.
3. the implementation method of many pictures of STB preview function according to claim 2; It is characterized in that: when the user switches to the program that will see with remote controller; STB carries out play operation with video data corresponding in the memory headroom of Video layer, and revises video frame and navascreen interface through the OSD layer.
4. the implementation method of many pictures of STB preview function according to claim 1 is characterized in that: the relevant information of program comprises in the described step 80: channel, channel designation, the information of current playing program.
5. the implementation method of many pictures of STB preview function according to claim 1; It is characterized in that: the interface that also is provided with multipage in the navascreen of STB; When the user switches to nextpage with remote controller, the interface will switch to more previewing programs picture.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010296577 CN101959038B (en) | 2010-09-29 | 2010-09-29 | Method for realizing multi-image preview function of set-top box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010296577 CN101959038B (en) | 2010-09-29 | 2010-09-29 | Method for realizing multi-image preview function of set-top box |
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| Publication Number | Publication Date |
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| CN101959038A CN101959038A (en) | 2011-01-26 |
| CN101959038B true CN101959038B (en) | 2012-02-22 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102404527B (en) * | 2011-12-15 | 2015-04-22 | 深圳Tcl新技术有限公司 | Display method and terminal for digital television program |
| CN103428572B (en) * | 2013-07-31 | 2017-03-15 | 小米科技有限责任公司 | A kind of methods, devices and systems for carrying out band prebrowsing |
| CN104883602B (en) * | 2015-05-22 | 2018-02-16 | 中山大学 | The more picture channel method for previewing of one kind classification and system |
| CN105611388A (en) * | 2015-12-29 | 2016-05-25 | 康佳集团股份有限公司 | Multi-image preview realization method and system |
| CN106534939B (en) * | 2016-10-09 | 2019-07-05 | 北京金山安全软件有限公司 | Multi-video preview method and device and electronic equipment |
| CN108134960A (en) * | 2017-12-21 | 2018-06-08 | 四川迪佳通电子有限公司 | Digital TV terminal method for previewing programs and system |
| CN108124189A (en) * | 2017-12-29 | 2018-06-05 | 深圳佳力拓科技有限公司 | A kind of set-top box implementation method of more picture outputs |
| CN109302629B (en) * | 2018-08-27 | 2021-07-06 | 海信视像科技股份有限公司 | Method for switching picture frames for pictures and display terminal |
| CN111050221A (en) * | 2019-12-16 | 2020-04-21 | 北京东方广视科技股份有限公司 | Method and system for acquiring focus of multi-picture navigation interface of set top box |
Citations (5)
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| CN1611075A (en) * | 2001-12-28 | 2005-04-27 | 皇家飞利浦电子股份有限公司 | Transparent access of STB mhpMHP digital TV middleware to IP video content |
| CN101110949A (en) * | 2007-08-20 | 2008-01-23 | 中兴通讯股份有限公司 | Method and system for previewing live channel in network television |
| CN101197956A (en) * | 2007-10-26 | 2008-06-11 | 圆刚科技股份有限公司 | Frequency channel previewing method and device for implementing the same |
| CN101321255A (en) * | 2008-07-11 | 2008-12-10 | 中国网络通信集团公司 | Video information indication method and set-top box |
| CN101583019A (en) * | 2009-06-01 | 2009-11-18 | 中兴通讯股份有限公司 | Method for realizing picture-in-picture in IPTV, system and set-top box |
-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1611075A (en) * | 2001-12-28 | 2005-04-27 | 皇家飞利浦电子股份有限公司 | Transparent access of STB mhpMHP digital TV middleware to IP video content |
| CN101110949A (en) * | 2007-08-20 | 2008-01-23 | 中兴通讯股份有限公司 | Method and system for previewing live channel in network television |
| CN101197956A (en) * | 2007-10-26 | 2008-06-11 | 圆刚科技股份有限公司 | Frequency channel previewing method and device for implementing the same |
| CN101321255A (en) * | 2008-07-11 | 2008-12-10 | 中国网络通信集团公司 | Video information indication method and set-top box |
| CN101583019A (en) * | 2009-06-01 | 2009-11-18 | 中兴通讯股份有限公司 | Method for realizing picture-in-picture in IPTV, system and set-top box |
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| CN101959038A (en) | 2011-01-26 |
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